ChangeLogTag: Sat Jul 10 15:30:00 1999 Michael Kircher <mk1@cs.wustl.edu>

2 files changed, 258 insertions, 0 deletions

diff --git a/TAO/TAO_IDL/be/be_visitor_operation/ami_handler_thru_poa_collocated_cs.cpp b/TAO/TAO_IDL/be/be_visitor_operation/ami_handler_thru_poa_collocated_cs.cpp
new file mode 100644
index 00000000000..d9d86773fff
--- /dev/null
+++ b/TAO/TAO_IDL/be/be_visitor_operation/ami_handler_thru_poa_collocated_cs.cpp
@@ -0,0 +1,200 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    ami_handler_thru_poa_collocated_cs.cpp
+//
+// = DESCRIPTION
+//    Visitor generating code for thru_poa_collocated Operation in the skeleton.
+//
+// = AUTHOR
+//    Aniruddha Gokhale
+//    Michael Kircher
+//
+// ============================================================================
+
+#include	"idl.h"
+#include	"idl_extern.h"
+#include	"be.h"
+
+#include "be_visitor_operation.h"
+
+ACE_RCSID(be_visitor_operation, ami_handler_thru_poa_collocated_cs, "$Id$")
+
+
+// *************************************************************************
+//  be_visitor_operation_ami_handler_thru_poa_collocated_cs --
+//  This visitor generates code for the thru_poa_collocated operation signature in a
+//  server skeletons file
+// *************************************************************************
+
+be_visitor_operation_ami_handler_thru_poa_collocated_cs::be_visitor_operation_ami_handler_thru_poa_collocated_cs
+(be_visitor_context *ctx)
+  : be_visitor_scope (ctx)
+{
+}
+
+be_visitor_operation_ami_handler_thru_poa_collocated_cs::~be_visitor_operation_ami_handler_thru_poa_collocated_cs (void)
+{
+}
+
+int be_visitor_operation_ami_handler_thru_poa_collocated_cs::visit_operation (be_operation *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+
+  // We need the interface node in which this operation was defined. However,
+  // if this operation node was an attribute node in disguise, we get this
+  // information from the context
+  be_interface *intf;
+  intf = this->ctx_->attribute ()
+    ? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
+    : be_interface::narrow_from_scope (node->defined_in ());
+
+  if (!intf)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_ami_handler_thru_poa_collocated_cs::"
+                         "visit_operation - "
+                         "bad interface scope\n"),
+                        -1);
+    }
+
+  // retrieve the operation return type
+  be_type *bt = be_type::narrow_from_decl (node->return_type ());
+  if (!bt)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_ami_handler_thru_poa_collocated_cs::"
+                         "visit_operation - "
+                         "Bad return type\n"),
+                        -1);
+    }
+
+
+
+  *os << "void " << intf->full_coll_name (be_interface::THRU_POA) << "::"
+      << node->local_name () << " ";
+
+  // Generate the argument list with the appropriate mapping (same as
+  // in the header file)
+  // Generate the argument list with the appropriate mapping (same as
+  // in the header file).
+  be_visitor_context ctx (*this->ctx_);
+  ctx.state (TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARGLIST_CS);
+  be_visitor *visitor = tao_cg->make_visitor (&ctx);
+  if ((!visitor) || (node->accept (visitor) == -1))
+    {
+      delete visitor;
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_ami_handler_thru_poa_collocated_cs::"
+                         "visit_operation - "
+                         "codegen for argument list failed\n"),
+                        -1);
+    }
+  delete visitor;
+
+
+  *os << "{" << be_idt_nl;
+
+  // @@ Michael: Not sure about this one.
+#if 0  
+  if (!idl_global->exception_support ())
+      *os << "ACE_DECLARE_NEW_CORBA_ENV;" << be_nl;
+#endif /* 0 */
+
+  *os <<"TAO_Object_Adapter::Servant_Upcall servant_upcall ("
+      << be_idt << be_idt_nl
+      << "*this->_stubobj ()->servant_orb_var ()->orb_core ()->object_adapter ()"
+      << be_uidt_nl
+      << ");" << be_uidt_nl
+      << "servant_upcall.prepare_for_upcall (" << be_idt << be_idt_nl
+      << "this->_object_key ()," << be_nl
+      << "\"" << node->original_local_name () << "\"";
+  if (!idl_global->exception_support ())
+    *os << "," << be_nl
+        << "ACE_TRY_ENV" << be_uidt_nl
+        << ");\n" << be_uidt;
+  else
+    *os << be_uidt_nl << ");\n" << be_uidt;
+
+  // check if there is an exception
+  if (!idl_global->exception_support ())
+    {
+      os->indent ();
+      *os << "ACE_CHECK;\n";
+    }
+
+  os->indent ();
+  *os << "ACE_reinterpret_cast (" << be_idt << be_idt_nl
+      << intf->full_skel_name () << "_ptr," << be_nl
+      << "servant_upcall.servant ()->_downcast (" << be_idt << be_idt_nl
+      << "\"" << intf->repoID ()  << "\"" << be_uidt_nl
+      << ")" << be_uidt << be_uidt_nl
+      << ")" << be_uidt;
+
+  if (this->gen_invoke (ctx, node) == -1)
+    return -1;
+
+  os->indent ();
+  *os << "return;";
+
+  *os << be_uidt_nl
+      << "}\n\n";
+
+  return 0;
+}
+
+int be_visitor_operation_ami_handler_thru_poa_collocated_cs::gen_invoke (be_visitor_context &ctx,
+                                                    be_operation *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+
+  *os << "->" << node->local_name () << " ("
+      << be_idt << be_idt << "\n";
+
+  // retrieve the operation return type
+  be_type *bt = be_type::narrow_from_decl (node->return_type ());
+  if (!this->void_return_type (bt))
+    {
+      os->indent ();
+      *os << "_tao_retval,\n";
+    }
+
+  ctx = *this->ctx_;
+  ctx.state (TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_COLLOCATED_ARG_UPCALL_CS);
+  be_visitor *visitor = tao_cg->make_visitor (&ctx);
+  if (!visitor || (node->accept (visitor) == -1))
+    {
+      delete visitor;
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_ami_handler_thru_poa_collocated_cs::"
+                         "gen_invoke - "
+                         "codegen for making upcall failed\n"),
+                        -1);
+    }
+
+  // end the upcall
+  *os << be_uidt_nl
+      << ");\n" << be_uidt;
+  return 0;
+}
+
+
+int
+be_visitor_operation_ami_handler_thru_poa_collocated_cs::void_return_type (be_type *bt)
+{
+  // is the operation return type void?
+
+  if (bt->node_type () == AST_Decl::NT_pre_defined
+      && (be_predefined_type::narrow_from_decl (bt)->pt ()
+          == AST_PredefinedType::PT_void))
+    return 1;
+  else
+    return 0;
+}
diff --git a/TAO/TAO_IDL/be_include/be_visitor_operation/ami_handler_thru_poa_collocated_cs.h b/TAO/TAO_IDL/be_include/be_visitor_operation/ami_handler_thru_poa_collocated_cs.h
new file mode 100644
index 00000000000..b5eff14e374
--- /dev/null
+++ b/TAO/TAO_IDL/be_include/be_visitor_operation/ami_handler_thru_poa_collocated_cs.h
@@ -0,0 +1,58 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    ami_handler_thru_poa_collocated_cs.h
+//
+// = DESCRIPTION
+//    Visitor for generating code for IDL operations for the thru_poa collocated case
+//    inside of the servant skeleton
+//
+// = AUTHOR
+//    Aniruddha Gokhale
+//    Michael Kircher
+//
+// ============================================================================
+
+#ifndef _BE_VISITOR_OPERATION_AMI_HANDLER_THRU_POA_COLLOCATED_CS_H_
+#define _BE_VISITOR_OPERATION_AMI_HANDLER_THRU_POA_COLLOCATED_CS_H_
+
+// *****************************************************************
+// Operation visitor for server skeletons for the thru_poa collocated class
+// *****************************************************************
+
+class be_visitor_operation_ami_handler_thru_poa_collocated_cs : public be_visitor_scope
+{
+  //
+  // = TITLE
+  //   be_visitor_operation_ss
+  //
+  // = DESCRIPTION
+  //   This is a concrete visitor to generate the server skeletons for
+  //   operation in the thru_poa collocated class
+  //
+  //
+public:
+  be_visitor_operation_ami_handler_thru_poa_collocated_cs (be_visitor_context *ctx);
+  // constructor
+
+  ~be_visitor_operation_ami_handler_thru_poa_collocated_cs (void);
+  // destructor
+
+  virtual int visit_operation (be_operation *node);
+  // visit operation node.
+
+  virtual int gen_invoke (be_visitor_context &ctx, be_operation *node);
+  // A helper method to generate operation invocation code.
+
+  virtual int void_return_type (be_type *bt);
+  // is my return type void?
+};
+
+#endif /* _BE_VISITOR_OPERATION_AMI_HANDLER_THRU_POA_COLLOCATED_CS_H_ */